#!/bin/sh

error_usage() {
    >&2 cat << EOF
Usage :
    glurp full|area clip|file
EOF
    exit 1
}

screenshot_path() {
    printf %s "/tmp/screenshot-${USER}-$(date +%N).png"
}

grim=grim
wl_copy_args="-t image/png"

# Arguments
case "$1" in
    full)
        ;;
    area)
        slurp=slurp
        pipe1='|'
        grim_args="-g -"
        ;;
    *)
        error_usage
        ;;
esac
shift

case "$1" in
    clip)
        pipe2='|'
        wl_copy=wl-copy
        ;;
    file)
        grim_args="${grim_args} $(screenshot_path)"
        ;;
    *)
        error_usage
        ;;
esac
shift

[ -n "$wl_copy" ] && wl_copy="${wl_copy} ${wl_copy_args}"

# Execution
set -xe
"$slurp" "$pipe1" "$grim" "$grim_args" "$pipe2" "$wl_copy"